Jane Street’s GraniteShares YieldBOOST MSTR ETF MTYY Stock Holding History

Jane Street’s Portfolio MTYY Stock Details MTYY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-7,390	Closed	-$218K	–	13730
2026 Q1	$218K	Buy	+7,390	New	+$291K	﹤0.01%	9944

Other funds holding MTYY

Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return

Jane Street's MTYY Position: Q2 2026 in Review

Jane Street sold out of GraniteShares YieldBOOST MSTR ETF (MTYY) in Q2 2026, closing a stake of 7,390 shares — an estimated $218K sold.

Jane Street first reported a position in MTYY in Q1 2026 and held it in 1 quarter. The position peaked at $218K in Q1 2026. 1 fund tracked by Wall St. Rank holds MTYY as of Q2 2026.

Jane Street reported no remaining GraniteShares YieldBOOST MSTR ETF position as of Q2 2026 after selling out during the quarter.
Jane Street sold 7,390 GraniteShares YieldBOOST MSTR ETF shares in Q2 2026, an estimated $218K.
Jane Street first reported a position in GraniteShares YieldBOOST MSTR ETF in Q1 2026 and held it in 1 quarter.
Jane Street's GraniteShares YieldBOOST MSTR ETF position peaked at $218K in Q1 2026.
1 fund tracked by Wall St. Rank held GraniteShares YieldBOOST MSTR ETF as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.